Sonic: $5 off $10 Purchase with Online Order (AZ, IL, TX)

Sonic is offering $5 off a $10 purchase when you order online. This promo going is valid in Arizona, Illinois (yeah!), and Texas.  Here's what to do:

1. Go to SonicOnTheGo.com
2. Find your nearby Sonic
3. Place Your Order (use Coupon Code 5off to get your discount)
4. Pick up your Food

(Thanks, MyCouponLady!)